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Vladimir79 [104]

3 years ago

15

Differentiate Square numbers and cube numbers

1 answer:

pashok25 [27]3 years ago

6 0

Answer:

square numbers are numbers raised up to the power of two in essence the number multiplied by it self

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Rex, Paulo, and Ben are standing on shore watching for dolphins. Paulo sees one surface directly in front of him about a hundred

Ksivusya [100]

1. $m\angle BAC=m\angle CAD,\ m\angle ACB=m\angle ADC=90^{\circ}$ , then $m\angle ABC=m\angle ACD$ and triangles ADC and ACB are similar by AAA theorem.

2. The ratio of the corresponding sides of similar triangles is constant, so

$\dfrac{AC}{AB}= \dfrac{AD}{AC}$ .

3. Knowing lengths you could state that $\dfrac{b}{c}= \dfrac{e}{b}$ .

4. This ratio is equivalent to $b^2=ce$ .

5. $m\angle ABC=m\angle CBD,\ m\angle ACB=m\angle CDB=90^{\circ}$ , then $m\angle BAC=m\angle BCD$ and triangles BDC and BCA are similar by AAA theorem.

6. The ratio of the corresponding sides of similar triangles is constant, so

$\dfrac{BC}{BD}= \dfrac{AB}{BC}$ .

7. Knowing lengths you could state that $\dfrac{a}{d}= \dfrac{c}{a}$ .

8. This ratio is equivalent to $a^2=cd$ .

9. Now add results of parts 4 and 8:

$b^2+a^2=ce+cd$ .

10. c is common factor, then:

$b^2+a^2=c(e+d)$ .

11. Since $e+d=c$ you have $a^2+b^2=c\cdot c=c^2$ .

7 0

3 years ago

Read 2 more answers

What is the mean absolute deviation of the data set? {12, 10, 10, 8, 6, 7, 7, 12}

Simora [160]

Answer:

The MAD of {12, 10, 10, 8, 6, 7, 7, 12} is 2.

Step-by-step explanation:

<u><em>Step 1 : Add all the values Up:</em></u>

<u><em /></u> $12+10+10+8+6+7+7+12=72$

<u><em>Step 2 : Divide them by the number of items or numbers:</em></u>

<u><em></em></u> $\frac{12+10+10+8+6+7+7+12}{8}=9$ <u><em></em></u>

<u><em></em></u>

<u><em>Step 3: Find the absolute deviations:</em></u>

<u><em></em></u> $12-9=3\\10-9=1\\10-9=1\\9-8=1\\9-6=3\\9-7=2\\9-7=2\\12-9=3\\$ <u><em></em></u>

<u><em>Step 4: Add all the absolute deviations:</em></u>

$3+1+1+1+3+2+2+3=16$

<u><em>Step 5: Find the mean:</em></u>

$\frac{3+1+1+1+3+2+2+3}{8}=2$

7 0

3 years ago

a collection of coins consist of nickels, dimes, and quarters. there are 3 fewer quarters than nickels and six more dimes than q

ZanzabumX [31]

There are 12 Nickels, 9 Quarters, and 15 Dimes.

7 0

3 years ago

A pet store employee measures the lengths of two pet snakes, Noodles and Squiggles. Noodles measures 30 inches long, and Squiggl

deff fn [24]

Answer:

4

Squiggles

Step-by-step explanation:

steps

convert the length of squiggles from feet to inches
find the difference

1 feet = 12 inches

2 feet = 2 x 12 = 24 inches

length of squiggles = 24 + 10 = 34 inches

squiggles is longer because 34 is greater than 30

difference = 34 - 30 = 4

3 0

2 years ago

4. Samantha is studying the geometric design of roads. She uses a surveying tool to measure the angles

algol13

Answer: the value of x is 8, the measure of angle A is 42, angles A and B are same side interior angles.

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers